Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
SPY vs VONG: how they differ
SPY and VONG hold 57% of their weight in the same names, and SPY returned more over the year.
SPDR S&P 500 ETF Trust and Vanguard Russell 1000 Growth Index Fund.
What they hold in common
By the books each fund has filed, SPY and VONG hold 57% of their money in the same securities at the same weight.
| Holding | SPY | VONG |
|---|---|---|
| NVIDIA Corp. | 7.52% | 13.09% |
| Apple, Inc. | 6.59% | 11.97% |
| Microsoft Corp. | 4.30% | 8.98% |
| Amazon.com, Inc. | 3.62% | 5.07% |
| Alphabet, Inc. | 3.25% | 3.91% |
| Broadcom, Inc. | 2.77% | 5.78% |
| Alphabet, Inc. | 2.59% | 3.15% |
| Meta Platforms, Inc. | 1.92% | 3.20% |
| Tesla, Inc. | 1.84% | 3.48% |
| Eli Lilly & Co. | 1.47% | 2.67% |
| Advanced Micro Devices, Inc. | 1.47% | 1.47% |
| Visa, Inc. | 0.88% | 1.57% |
| Only in SPY | Only in VONG |
|---|---|
| Micron Technology, Inc. 2.02% | Trane Technologies PLC 0.30% |
| Berkshire Hathaway, Inc. 1.42% | Snowflake Inc 0.26% |
| JPMorgan Chase & Co. 1.36% | Spotify Technology SA 0.23% |
| Intel Corp. 1.02% | Cloudflare Inc 0.23% |
| Johnson & Johnson 0.95% | Royal Caribbean Cruises Ltd 0.22% |
| Exxon Mobil Corp. 0.88% | Rocket Lab Corp 0.21% |
| Cisco Systems, Inc. 0.72% | Aon PLC 0.18% |
| UnitedHealth Group, Inc. 0.59% | Astera Labs Inc 0.13% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and May 31, 2026.
| SPY SPDR S&P 500 ETF Trust | VONG Vanguard Russell 1000 Growth Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | State Street | Vanguard |
| What it is | S&P 500, book from IVV | Russell 1000 Growth |
| Total return, 1 year | +17.5% | +7.2% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | 0.0 pts | −10.3 pts |
| Expense ratio | 0.09% | 0.07% |
| Already in the S&P 500 | 100.0% | 95.6% |
| Holdings | 504 | 387 |
SPY in plain words
SPY is an index equity fund tracking the S&P 500. Over the year to Sep 11, 2026 it returned +17.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.09% a year. By its holdings filed for Jun 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 504 positions, with the top ten at 36.4%.
VONG in plain words
VONG is an index equity fund tracking the Russell 1000 Growth. Over the year to Sep 11, 2026 it returned +7.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.07% a year. By its holdings filed for May 31, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 387 positions, with the top ten at 61.3%. It sat 4.9% below its high of Jun 1, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, SPY or VONG?
- In the year to Sep 12, 2026, with distributions reinvested, SPY returned +17.5% and VONG returned +7.2%, so SPY returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, SPY or VONG?
- SPY charges 0.09% a year and VONG charges 0.07%, so VONG is cheaper. Fees come from each fund's prospectus.
- How much do SPY and VONG overlap with the S&P 500?
- By their latest filed holdings, 100% of SPY and 96% of VONG by weight is stocks the S&P 500 already holds. Between the two funds, 57% of their books are the same securities at the same weight.
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, SPY against VONG, data as of Sep 12, 2026. https://etfiq.com/compare/any/SPY-VONG Free to use with attribution; the underlying files are at Open data.
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